详细解释:n. 使无效, 废止, 契约解除条件
【经】 (契约)作废, 废除
详细解释：
de.fea.sance
n.（名词）A rendering void; an annulment.作废：处于作废的状况；废止，取消
The voiding of a contract or deed.废除：指合同或契约的作废A clause within a contract or deed providing for annulment.废约条款：合同或契约里规定作废的条款
来源：Middle English defesaunce 中古英语 defesaunce from Anglo-Norman 源自 英法语 from Old French defesance 源自 古法语 defesance from defesant [present participle of] desfaire [to destroy] * see defeat 源自 defesant [] desfaire的现在分词 [毁坏] *参见 defeat